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Your central air conditioning unit plays an important role
in your home, assisting in the circulation of cool air to reduce humidity and cool
down your household.
A typical unit can last from about 10 to 15 years if it is
properly maintained. That means most homeowners will have to purchase a brand
new AC unit eventually.
Buying a central air conditioning unit online is a significant decision,
but one that could save a homeowner time and money if done correctly. Shopping
online through a reputable and dependable retailer can make the process much
easier. Below, you’ll find some pointers aimed at helping you make a smart
decision.
Take Your Time
Take some time to explore your options and determine what
type of air conditioner and size will work best for your home and your budget.
A good website will provide the calculations needed to make sure you purchase
the size you need.
Installation price
One advantage of shopping for a new central air conditioning
unit online is that you will often see the price of installation up front.
Knowing how much the unit will cost and getting an accurate estimate about the
price of installation will help you plan for the expense.
AC Unit Size
Your central air conditioner’s size is crucial when it comes
to comfort in your home. You will have to ensure that the unit you settle on is
large enough to effectively cool down your house and not so large that it ends
up wasting energy. If you install a system too big for your house, it will
frequently cycle on and off, consuming a lot of electricity and reducing your
energy efficiency. If on the other hand, the unit is too small, it will not
cool your entire home during the hot days.
Luckily, all you really need to know is the square footage
of your home when buying a new unit online. Once you have that information, it
becomes much easier to determine exactly what size unit will work for your
home.
Air conditioner
maintenance
Most manufacturers of central air conditioning units
recommend an annual maintenance plan, and failure to maintain your unit yearly
might result in the nullification of the warranty. Ask your home improvement
service provider for details and consider having an HVAC care and maintenance
contract with one of the local and trusted contractors to effectively keep off
any potential A/C issues before they can develop into serious problems.
Always Choose A
Licensed Contractor
A licensed contractor offers the peace of mind that comes with
knowing your air conditioning installation is fully guaranteed. 
Websites such as newACunit.com work with qualified and
licensed contractors. That means people who buy from such a website know that
the company that performs the installation will adhere to the highest standards
of excellence.
An air conditioning system is a complex piece of machinery
that requires skilled and professional installation.  It’s always reading the temperature and
adjusting to keep the climate controlled. 
Only a qualified, licensed contractor should be trusted to
handle the task of air conditioning installation. 
Conclusion
Choosing an air conditioning unit is a big decision that
should not be taken lightly. Buying online is a great option for those who want
to make a decision and see an up front and honest price. It’s also a great
choice for those who want don’t have a lot of time to spend calling contractors
and getting multiple estimates.

Nancy Trunkee is a freelance writer who enjoys writing about
home improvement, interior design and efficient living. She’s always looking to
save money on home expenses.